CN210859214U - A flange structure, compressor and air conditioner - Google Patents

Abstract

The utility model provides a flange structure, a compressor and an air conditioner, relates to the technical field of air conditioners, and solves the technical problems of short exhaust path, complicated airflow pulsation and high noise. The flange structure includes a flange body, an exhaust port is arranged through the flange body, and the exhaust port is opened at the position of the flange body corresponding to the neck; the exhaust port is provided with a separation groove; the extension line of the exhaust port is located in the motor Within the range of the inner diameter of the stator; an exhaust groove is arranged on the end face of the flange body; the compressor includes a flange structure; the air conditioner includes a compressor. The utility model sets the exhaust port at the position of the flange neck, and exhausts the air through the interior of the flange. Since the length of the flange neck is greater than the thickness of the flange plate, the exhaust path can be increased, the volume of the pump body can be increased, and the exhaust gas can be exhausted. The exhaust resistance of the inner wall of the mouth to the gas increases, which increases the cooling capacity; the gas is discharged from the inside, and the sound of the mechanical operation is weakened and eliminated by the flange itself, and the impact force of the valve plate on the flange is weakened, so as to achieve noise reduction.

Description

A flange structure, compressor and air conditioner

technical field

The utility model relates to the technical field of air conditioners, in particular to a flange structure, a compressor and an air conditioner.

Background technique

The refrigerant circuit of the air conditioner is generally equipped with a compressor, a decompression device, an indoor heat exchanger, an outdoor heat exchanger, a four-way switching valve, an accumulator, and the like. In the prior art, a rotary compressor has a closed casing, an upper flange, a lower flange, a crankshaft, a cylinder, a piston, and a motor. The upper flange and the lower flange are arranged in the closed casing and support the crankshaft, and the cylinder is arranged on the upper Between the flange and the lower flange, an exhaust port is arranged on the upper flange or the lower flange, the piston is located in the cylinder and forms a compression chamber together with the upper flange and the lower flange, the crankshaft is provided with an eccentric part, and the piston sleeve is connected to the cylinder. On the eccentric part, there is a suction port on one side of the cylinder, and the exhaust port and the suction port are respectively connected to the compression chamber. And pass through the gap between the stator and rotor of the motor.

The applicant found that the prior art has at least the following technical problems:

As shown in FIG. 1 , in the prior art, the exhaust port 1 located on the upper flange or the lower flange for the compressed refrigerant to pass through is arranged on the flange surface 2 corresponding to the outer side of the inner hole of the motor stator. The path is short, and the exhaust resistance is large, which makes the airflow pulsation complex, the compressor noise is large, and the energy efficiency is low; and because the exhaust port is located outside the inner hole of the stator, the compressed gas discharged from the exhaust port of the compressor during operation is unfiltered, which will cause The refrigerating oil lubricating the pump body is carried out, which affects the oil content of the compressor, thereby affecting the energy efficiency.

Utility model content

The purpose of the utility model is to provide a flange structure, a compressor and an air conditioner to solve the technical problems of short exhaust path, complicated airflow pulsation and high noise in the prior art.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides a flange structure, which comprises a flange body, an exhaust port is provided through the flange body, and the exhaust port is opened at a position of the flange body corresponding to the neck.

On the basis of the above technical solutions, the utility model can also be improved as follows.

As a further improvement of the present invention, a separation groove is arranged in the exhaust port.

As a further improvement of the present invention, the extension line of the exhaust port is located within the range of the inner diameter of the motor stator.

As a further improvement of the present invention, the extension line of the exhaust port is located in the circle enclosed by the outer diameter of the eccentric circle of the crankshaft.

As a further improvement of the present invention, the number of the separation grooves is one or more, and all the separation grooves are arranged regularly or irregularly along the length direction of the exhaust port.

As a further improvement of the present invention, an exhaust groove is provided on the end face of the flange body, and one end of the exhaust groove extends to the exhaust port.

As a further improvement of the present invention, the width of the exhaust groove is not greater than the diameter of the exhaust port.

As a further improvement of the present invention, the width of the exhaust groove is equal to 1/2 of the diameter of the exhaust port.

As a further improvement of the present invention, the end of the exhaust groove away from the exhaust port is located within the diameter range of the cylinder.

Q＝H/(D*e)＝0.05-0.2，d轴径，H气缸的缸高，D气缸的缸径，e曲轴偏心距，n转速，δ单面间隙。As a further improvement of the present invention, the diameter of the exhaust port D2={(D-D1)*Q/2}*103,

Q=H/(D*e)=0.05-0.2, d shaft diameter, cylinder height of H cylinder, cylinder diameter of D cylinder, e crankshaft eccentricity, n speed, δ single-sided clearance.

The utility model provides a compressor, comprising the flange structure.

As a further improvement of the present invention, the compressor is a rotary compressor.

An air conditioner provided by the utility model comprises the compressor.

Compared with the prior art, the utility model has the following beneficial effects:

In the flange structure provided by the utility model, by arranging the exhaust port inside the flange, that is, at the position of the neck of the flange, the exhaust is exhausted through the inside of the flange. Since the length of the neck of the flange is greater than the thickness of the flange, the This can increase the exhaust path, increase the volume of the pump body, increase the exhaust resistance of the inner wall of the exhaust port to the gas, and improve the cooling capacity; the gas is discharged from the inside, reducing the sound of mechanical operation by the flange itself, which is weakened and eliminated. Flange impact is reduced, resulting in noise reduction.

In a further improvement scheme of the utility model, after the exhaust path is discharged from the inside, it directly rushes to the motor enameled wire in the motor stator. The motor enameled wire acts as a filter screen to filter the frozen oil, thereby reducing oil content and improving energy efficiency.

In a further improvement scheme of the present utility model, a separation groove is milled inside the exhaust port to increase the adhesion area, and the refrigerating oil can be separated. Lubricate parts.

In the further improvement scheme of the utility model, an exhaust slot is arranged on the inlet side of the exhaust port to guide the exhaust and facilitate the discharge of gas. The size of the exhaust slot should not be too large. If the groove is too small, the exhaust is not smooth. The best specification is that the width of the exhaust groove is 1/2 of the size of the exhaust port.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation that the exhaust port is arranged in the flange part in the prior art;

Fig. 2 is the structural schematic diagram of the flange structure of the present utility model viewed from one side of the flange surface;

Fig. 3 is the structural schematic diagram of the flange structure of the present utility model viewed from one side of the flange neck;

Figure 4 is a side sectional view of the flange structure of the present utility model;

Fig. 5 is the structural representation of the crankshaft in the compressor of the present invention;

Fig. 6 is the side view of Fig. 5;

FIG. 7 is a schematic structural diagram of the flange structure of the present utility model after being assembled.

In the figure, 1. Exhaust port; 2. Flange surface; 3. Neck; 4. Crankshaft; 5. Roller; 6. Exhaust groove; 7. Cylinder.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

As shown in FIG. 4, FIG. 4 is a side sectional view of the flange structure; the present utility model provides a flange structure, including a flange body, and an exhaust port 1 is provided through the flange body, and the exhaust port 1 Open in the flange body corresponding to 3 positions of the neck. Specifically, the exhaust port 1 is disposed through the flange neck 3 and extends to the surface of the flange surface 2 . Allow the gas to escape from the inside of the flange.

By arranging the exhaust port inside the flange, that is, at the position of the flange neck, and exhausting through the inside of the flange, since the length of the flange neck is greater than the thickness of the flange plate, the exhaust path can be increased, and the pump can be enlarged. Body volume, the exhaust resistance of the inner wall of the exhaust port to the gas increases, and the cooling capacity is increased; the gas is discharged from the inside, reducing the sound of mechanical operation by the flange itself, and the impact force of the valve plate on the flange is weakened, thereby achieving noise reduction. .

In order to reduce the amount of lubricating oil carried out by the gas when the compressor is running, in the present invention, a separation groove is arranged in the exhaust port 1 . The number of separation grooves is one or more, and all separation grooves are arranged regularly or irregularly along the length direction of the exhaust port 1 .

Specifically, the separation grooves are milled grooves, and the shape, size and number are not limited here. The separation grooves can be arranged in a whole circle or in a partial area along the circumferential direction of the exhaust port 1, and all separation grooves can also be arranged regularly or irregularly. The setting of the separation tank is only to increase the contact area between the gas and the inner wall of the exhaust port 1, and to increase the adhesion area to separate the gas and oil as much as possible. Roller 5 to lubricate the roller 5.

As shown in Figure 3, the extension line of the exhaust port 1 is located within the inner diameter of the motor stator. Through the above structural design, the gas is discharged from the exhaust port 1 and directly enters the inner hole of the motor stator, and the inner hole is provided with an enameled wire as an electromagnetic coil, so that the gas is discharged after passing through the enameled wire, and the enameled wire can well serve as a filter. It can further filter out the refrigeration oil, so as to avoid a large amount of refrigeration oil brought out during exhaust, which will cause the problem of low oil content in the compressor, and also improve energy efficiency.

Further, on the basis of the above technical solution, the extension line of the exhaust port 1 is located in the circle enclosed by the outer diameter of the eccentric circle of the crankshaft 4 .

The flange body includes a flange surface 2 and a neck 3 . The flange surface 2 of the flange body, that is, the flange end surface, is provided with an exhaust groove 6 , and one end of the exhaust groove 6 extends to the exhaust port 1 . The exhaust groove 6 is used for gas guiding. The shape of the exhaust groove 6 is not specifically limited here, and any shape may be used. As shown in FIG. 2 and FIG. 3 , in an embodiment of the present invention, the exhaust groove 6 is configured as a waist-shaped groove.

It should be noted that, because the exhaust groove 6 is too large, it is easy to cause air leakage, and if the exhaust groove 6 is too small, it will cause difficulty in exhausting.

The optimal embodiment is that the width of the exhaust groove 6 is equal to 1/2 of the diameter of the exhaust port 1 .

As shown in FIG. 3 , the end of the exhaust groove 6 away from the exhaust port 1 is located within the diameter of the cylinder.

Q＝H/(D*e)＝0.05-0.2，d轴径，H气缸的缸高，D气缸的缸径，e曲轴偏心距，n转速，δ单面间隙。The diameter of exhaust port 1 D2={(D-D1)*Q/2}*103,

Q=H/(D*e)=0.05-0.2, d shaft diameter, cylinder height of H cylinder, cylinder diameter of D cylinder, e crankshaft eccentricity, n speed, δ single-sided clearance.

A compressor provided by the utility model includes the above-mentioned flange structure.

The compressor is a rotary compressor.

As shown in FIG. 7 , the rotary compressor also includes a crankshaft 4 and a cylinder 7. The crankshaft 4 is supported by a flange structure. The flange structure can be an upper flange or a lower flange, and a cylinder 7 is arranged between the upper and lower flanges. , the intake port is also arranged between the upper and lower flanges, as shown in Figure 5 and Figure 6, the crankshaft 4 has an eccentric part, and the outer diameter of the crankshaft eccentric circle is the outer diameter of the eccentric part; the valve plate of the cylinder 7 is fixed on the crankshaft 4. on the eccentric part.

An air conditioner provided by the utility model includes the above compressor.

It should be noted here that "inward" refers to the direction toward the center of the accommodating space, and "outward" refers to the direction away from the center of the accommodating space.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in Figure 2, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection connected, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features through an intermediary indirect contact. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (13)

1. The utility model provides a flange structure, includes the flange body, run through on the flange body and be provided with the gas vent, its characterized in that, the gas vent is seted up the flange body corresponds the neck position.

2. A flange structure according to claim 1, wherein a separation groove is provided in the exhaust port.

3. The flange structure according to claim 1 or 2, wherein an extension line of the exhaust port is located within an inner diameter of a stator of the motor.

4. A flange structure according to claim 3, wherein the extension line of the exhaust port is located within a circle surrounded by the outer diameter of the eccentric circle of the crankshaft.

5. The flange structure according to claim 2, wherein the number of the separation grooves is one or more, and all of the separation grooves are arranged along the length direction of the exhaust port.

6. The flange structure according to claim 1, wherein a vent groove is provided on the flange body end surface, one end of the vent groove extending to the vent port.

7. The flange structure according to claim 6, wherein the vent groove width is not greater than the vent opening diameter.

8. The flange structure of claim 7, wherein the vent slot width is equal to 1/2 of the vent opening diameter.

9. The flange structure according to claim 6, 7 or 8, wherein an end of the exhaust groove remote from the exhaust port is located within a cylinder diameter.

10. The flange structure according to claim 1, wherein the exhaust port diameter

H/(D × e) 0.05-0.2, D-axis diameter, H cylinder height, D cylinder diameter, e crankshaft eccentricity, n rotation speed and delta single-side gap.

11. A compressor, characterized by comprising a flange structure according to any one of claims 1 to 10.

12. The compressor of claim 11, wherein the compressor is a rotary compressor.

13. An air conditioner characterized by comprising the compressor according to any one of claims 11 to 12.

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